diff options
Diffstat (limited to 'drivers/dma/ioat/hw.h')
-rw-r--r-- | drivers/dma/ioat/hw.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/drivers/dma/ioat/hw.h b/drivers/dma/ioat/hw.h new file mode 100644 index 000000000000..afa57eef86c9 --- /dev/null +++ b/drivers/dma/ioat/hw.h | |||
@@ -0,0 +1,70 @@ | |||
1 | /* | ||
2 | * Copyright(c) 2004 - 2009 Intel Corporation. All rights reserved. | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or modify it | ||
5 | * under the terms of the GNU General Public License as published by the Free | ||
6 | * Software Foundation; either version 2 of the License, or (at your option) | ||
7 | * any later version. | ||
8 | * | ||
9 | * This program is distributed in the hope that it will be useful, but WITHOUT | ||
10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | ||
12 | * more details. | ||
13 | * | ||
14 | * You should have received a copy of the GNU General Public License along with | ||
15 | * this program; if not, write to the Free Software Foundation, Inc., 59 | ||
16 | * Temple Place - Suite 330, Boston, MA 02111-1307, USA. | ||
17 | * | ||
18 | * The full GNU General Public License is included in this distribution in the | ||
19 | * file called COPYING. | ||
20 | */ | ||
21 | #ifndef _IOAT_HW_H_ | ||
22 | #define _IOAT_HW_H_ | ||
23 | |||
24 | /* PCI Configuration Space Values */ | ||
25 | #define IOAT_PCI_VID 0x8086 | ||
26 | |||
27 | /* CB device ID's */ | ||
28 | #define IOAT_PCI_DID_5000 0x1A38 | ||
29 | #define IOAT_PCI_DID_CNB 0x360B | ||
30 | #define IOAT_PCI_DID_SCNB 0x65FF | ||
31 | #define IOAT_PCI_DID_SNB 0x402F | ||
32 | |||
33 | #define IOAT_PCI_RID 0x00 | ||
34 | #define IOAT_PCI_SVID 0x8086 | ||
35 | #define IOAT_PCI_SID 0x8086 | ||
36 | #define IOAT_VER_1_2 0x12 /* Version 1.2 */ | ||
37 | #define IOAT_VER_2_0 0x20 /* Version 2.0 */ | ||
38 | #define IOAT_VER_3_0 0x30 /* Version 3.0 */ | ||
39 | |||
40 | struct ioat_dma_descriptor { | ||
41 | uint32_t size; | ||
42 | uint32_t ctl; | ||
43 | uint64_t src_addr; | ||
44 | uint64_t dst_addr; | ||
45 | uint64_t next; | ||
46 | uint64_t rsv1; | ||
47 | uint64_t rsv2; | ||
48 | uint64_t user1; | ||
49 | uint64_t user2; | ||
50 | }; | ||
51 | |||
52 | #define IOAT_DMA_DESCRIPTOR_CTL_INT_GN 0x00000001 | ||
53 | #define IOAT_DMA_DESCRIPTOR_CTL_SRC_SN 0x00000002 | ||
54 | #define IOAT_DMA_DESCRIPTOR_CTL_DST_SN 0x00000004 | ||
55 | #define IOAT_DMA_DESCRIPTOR_CTL_CP_STS 0x00000008 | ||
56 | #define IOAT_DMA_DESCRIPTOR_CTL_FRAME 0x00000010 | ||
57 | #define IOAT_DMA_DESCRIPTOR_NUL 0x00000020 | ||
58 | #define IOAT_DMA_DESCRIPTOR_CTL_SP_BRK 0x00000040 | ||
59 | #define IOAT_DMA_DESCRIPTOR_CTL_DP_BRK 0x00000080 | ||
60 | #define IOAT_DMA_DESCRIPTOR_CTL_BNDL 0x00000100 | ||
61 | #define IOAT_DMA_DESCRIPTOR_CTL_DCA 0x00000200 | ||
62 | #define IOAT_DMA_DESCRIPTOR_CTL_BUFHINT 0x00000400 | ||
63 | |||
64 | #define IOAT_DMA_DESCRIPTOR_CTL_OPCODE_CONTEXT 0xFF000000 | ||
65 | #define IOAT_DMA_DESCRIPTOR_CTL_OPCODE_DMA 0x00000000 | ||
66 | |||
67 | #define IOAT_DMA_DESCRIPTOR_CTL_CONTEXT_DCA 0x00000001 | ||
68 | #define IOAT_DMA_DESCRIPTOR_CTL_OPCODE_MASK 0xFF000000 | ||
69 | |||
70 | #endif | ||